An international brand owner files a trademark application in its home country, assumes US protection will follow automatically, and launches its product in the American market. Months later, a cease-and-desist letter arrives from a domestic competitor who registered the same mark in the United States years earlier. The cost of that assumption – in rebranding, litigation, and lost market position – can dwarf the original investment in market entry.
Intellectual property protection in the United States operates under a distinct federal system administered primarily through the United States Patent and Trademark Office and the federal court network. Trademark rights arise through use in commerce, not merely through registration, while patents and copyrights follow dedicated statutory procedures under federal legislation. International businesses must build a US-specific IP strategy rather than rely on rights established elsewhere.
This page sets out the principal legal instruments available to international clients protecting intellectual property in the United States, the procedural steps and timelines involved. Common pitfalls that surface in cross-border situations, strategic considerations for businesses operating between the US, Brazil. Additionally, the EU. Additionally, a self-assessment checklist to guide next steps.
The US intellectual property system: regulatory setting and commercial stakes
United States intellectual property legislation rests on federal constitutional authority. Congress has enacted separate statutory regimes covering patents, trademarks, copyrights, and trade secrets, each administered by dedicated federal agencies and enforced through the federal court system. State-level protection exists in limited areas – notably trade secrets and unfair competition – but the dominant regime is federal.
The United States Patent and Trademark Office handles trademark and patent applications. The Copyright Office, a division of the Library of Congress, administers copyright registration. The International Trade Commission (ITC) provides an additional enforcement route for patent holders facing infringing imports, offering the possibility of exclusion orders that block goods at the border without requiring proof of monetary damages.
For an international business, the commercial stakes are considerable. The United States remains one of the world's largest consumer markets. Without secured IP rights, a foreign brand or technology owner has limited ability to prevent copying, block infringing imports, or license its assets at full value. Courts in the United States have authority to award substantial monetary damages, including enhanced damages for wilful infringement and, in certain categories, statutory damages that do not require proof of actual loss.
Under US corporate and commercial legislation. A business operating through a Delaware LLC (Delaware limited liability company) or other US entity can hold and enforce IP rights directly. This is often preferable structurally for licensing, tax treatment, and litigation standing. International clients frequently overlook this ownership-structure dimension when planning US market entry. For clients also considering technology-related IP matters, the intersection with US AI and technology regulation adds a further layer of complexity – addressed in our overview of AI law in the United States.
One non-obvious risk deserves early emphasis. US trademark law operates on a "first-to-use" principle rather than the "first-to-file" principle familiar to clients from civil law jurisdictions. A competitor who has been using a mark in US commerce – even without registration – may hold superior rights over a later registrant. Discovering this after a market launch, rather than before, is among the most costly errors international clients make.
Key instruments: trademarks, patents, copyrights, and trade secrets
Trademark registration at the federal level provides a business with nationwide priority, the right to use the ® symbol, a legal presumption of ownership, and a basis for blocking infringing imports at US Customs. A trademark application filed with the United States Patent and Trademark Office must identify the mark. Specify the goods or services using the Nice classification (Nice Agreement international classification system) structure. Additionally, declare either current use in US commerce or a bona fide intention to use.
The examination process typically takes eight to twelve months from filing to registration, assuming no objections are raised. A substantive refusal by an examining attorney, or an opposition filed by a third party during the thirty-day opposition proceedings window following publication, can extend that timeline considerably. Opposition proceedings are conducted before the Trademark Trial and Appeal Board (TTAB), an administrative tribunal within the Patent and Trademark Office. TTAB proceedings can last one to three years in contested matters.
A trademark registration must be maintained through ongoing use. Failure to use the mark in commerce for an extended period creates vulnerability to cancellation on abandonment grounds. This is a practical risk for international clients who register early but delay their US commercial activities.
Patent protection in the United States is available for utility inventions, designs, and plants. A utility patent application undergoes substantive examination for novelty, non-obviousness, and utility. The examination process commonly takes two to four years. Patent applicants have a twelve-month grace period under US patent legislation to file after first public disclosure of the invention. a more generous position than in many other jurisdictions. Though reliance on that grace period carries risk in international filing strategies.
International clients often approach US patent filing through the Patent Cooperation Treaty (PCT), which allows a single international application to establish a filing date in multiple member countries. A PCT application does not itself grant a patent. The applicant must enter the US national phase, typically within thirty months of the priority date, and prosecute the application before the Patent and Trademark Office on its merits.
Copyright protection in the United States arises automatically upon creation of an original work. Registration with the Copyright Office is not required for protection but is a prerequisite for bringing an infringement claim in US federal court and for recovering statutory damages and legal fees. Registration is advisable shortly after creation or publication. The process is straightforward and relatively low in cost, making it one of the more accessible steps an international creator can take.
Trade secret protection under federal legislation and state law covers confidential business information that derives economic value from its secrecy. Protection depends on the owner maintaining reasonable steps to preserve that secrecy – through non-disclosure agreements, access controls, and internal procedures. Unlike registered IP rights, trade secret protection has no fixed term. It continues as long as the information remains confidential and retains commercial value. The risk is misappropriation: once a trade secret enters the public domain, protection is lost permanently.
To receive an expert assessment of your intellectual property position in the United States, contact us at info@ferrazwhitmore.com.
Practical pitfalls facing international clients in US IP proceedings
The gap between formal legal requirements and practical outcomes in US IP matters is wide. Several pitfalls arise consistently in work involving international business clients.
Relying on home-country registrations. A trademark registered in Brazil, Portugal, or any other jurisdiction confers no rights in the United States. The United States is not a country where a foreign registration automatically converts to domestic protection. A client who has invested years building brand equity in its home market must treat the US as a fresh registration challenge – including a full clearance search before any public market activity.
Incomplete clearance searches. A trademark clearance search in the United States should cover not only the federal register but also state trademark registers and. Critically, common law uses. unregistered marks that may nonetheless carry priority rights in specific geographic markets. Many international clients commission only a federal register search, missing the common law dimension entirely. The consequence is a "clear" result followed by an infringement claim from a regional operator who has been using the mark for years without registering it.
Use requirements for trademark maintenance. US trademark law imposes continuing use obligations. Between the fifth and sixth years after registration, and again at each ten-year renewal period, the registrant must file evidence of continued use in commerce. Missing these deadlines results in cancellation of the registration. International clients managing large trademark portfolios across multiple jurisdictions sometimes lose track of US-specific maintenance cycles.
Employment and assignment of IP rights. Under US employment legislation and related IP principles. The ownership of IP created by employees in the course of their employment generally vests in the employer. but this default position depends on the specific facts and any written agreement. For contractor relationships, the position differs significantly. Work product created by an independent contractor does not automatically belong to the hiring party unless a written assignment agreement is in place that meets specific requirements. International companies building US operations frequently fail to document IP ownership at the point of hiring, creating ownership disputes that surface later during due diligence or licensing negotiations.
Patent prosecution strategy. US patent prosecution involves ongoing negotiation with Patent and Trademark Office examiners through a sequence of office actions and responses. Claim scope agreed during prosecution can limit the patent owner's ability to argue for broader infringement coverage later – a doctrine known as prosecution history estoppel. Businesses that treat patent prosecution as a purely administrative exercise, rather than a strategic one, often end up with narrower protection than they intended. An IP registration strategy that secures broad initial claims and responds to office actions with an eye to future enforcement is substantially more valuable.
IP infringement claims and enforcement costs. Enforcing IP rights in the United States through the federal court system – before a US District Court – is expensive. Legal fees in IP litigation are measured in hundreds of thousands to millions of dollars, and the process commonly spans two to four years before trial. Before initiating an infringement claim, clients should weigh the value of the rights at issue against the cost and duration of enforcement. Alternative dispute resolution through JAMS or AAA arbitration (administered by the American Arbitration Association) is available for contractual IP disputes and offers a faster and more cost-controlled route for parties who have agreed to arbitration in their contracts. For parties whose dispute falls within the TTAB's jurisdiction – such as trademark opposition or cancellation – that administrative route is faster and significantly less expensive than district court litigation.
Cross-border strategy: US IP in relation to Brazil and the EU
International clients frequently need US IP protection to function as part of a wider multi-jurisdictional asset structure. The interaction between US rights, Brazilian rights, and EU rights presents specific strategic considerations.
The US-Brazil dimension. Brazil operates a "first-to-file" trademark system administered by the Instituto Nacional da Propriedade Industrial (Brazilian National Industrial Property Institute). An international brand that has established US trademark rights cannot assume those rights extend to Brazil or carry any priority benefit there. Conversely, a business that has secured registration in Brazil and wishes to enter the US market must treat the US as an independent filing exercise. Where both markets are priorities, coordinated filing strategies that maximise priority dates across jurisdictions are advisable. The Paris Convention, to which both the United States and Brazil are party, allows a six-month priority window for trademark filings based on an earlier home-country application. Using this window strategically can reduce exposure during the period between initial filing and US registration. Our team's experience in intellectual property protection in Brazil provides a complementary perspective for clients managing assets across both jurisdictions.
The US-EU dimension. The European Union operates a distinct trademark system through the European Union Intellectual Property Office (EUIPO), which grants EU-wide trademark protection through a single application. A US trademark registration does not confer rights in the EU and vice versa. For clients with operations in both jurisdictions, maintaining parallel registrations is the standard approach. Copyright ownership and protection standards also differ: the EU's copyright legislative regime. This includes its approach to digital rights and platform liability. Diverges from US copyright law in several significant respects that affect licensing strategy and enforcement options.
IP ownership in corporate structures. International businesses operating through US entities. including Delaware LLCs. Corporations registered with the SEC (Securities and Exchange Commission) for public company purposes. Alternatively, holding structures. need to ensure that IP assets are correctly assigned to the entity that holds them. Where a foreign parent owns IP and licenses it to a US operating subsidiary, the terms of that intercompany licence have both tax and legal implications. Transfer pricing rules, withholding tax on royalty payments, and the documentation requirements under US tax legislation all bear on the structuring decision. Working through these questions before the US operation scales is substantially less costly than restructuring after the fact.
Enforcement across borders. An IP infringement originating outside the United States but causing damage in the US market can, in certain circumstances, be addressed through US federal courts or through the ITC's import exclusion mechanism. Courts in the United States have addressed the extraterritorial application of US IP legislation in a number of areas. the doctrine is not unlimited. However. It gives IP holders meaningful tools to address infringing activity that affects US commerce, including through cross-border supply chains. A coordinated enforcement strategy that uses US, Brazilian, and EU remedies in sequence or in parallel can be more effective than single-jurisdiction action. For clients building that type of strategy, our guide on company formation in the United States provides relevant context on the structural foundations for US market operations.
For a tailored strategy on intellectual property protection and enforcement in the United States, reach out to info@ferrazwhitmore.com.
Self-assessment checklist for international businesses
The following checklist identifies the most critical questions international clients should address before or immediately after entering the US market with protectable IP assets.
- Has a full trademark clearance search been conducted, covering federal, state, and common law uses, before any public commercial activity in the United States?
- Are all trademark applications filed with the correct Nice classification designations, and do they cover all goods and services the business actually offers or plans to offer?
- Is patent filing strategy aligned with the US national phase entry deadline under PCT, or has a direct US application been filed with the appropriate priority date?
- Have copyright registrations been filed with the Copyright Office for key creative works, to preserve the ability to recover statutory damages in any infringement claim?
- Are employment agreements and contractor agreements for US-based staff and freelancers in place, with explicit IP assignment provisions meeting US legal requirements?
The following additional questions apply to businesses already operating in the United States:
- Are trademark maintenance filings – declarations of use and renewal applications – tracked in a centralised docketing system with adequate lead time?
- Has the business assessed whether its US IP assets are correctly assigned to the entity that holds and commercialises them, rather than sitting with a foreign parent without a documented licence?
- Where IP disputes have arisen or are anticipated, has the business evaluated the relative merits of district court litigation, TTAB proceedings, ITC action, and JAMS or AAA arbitration?
This checklist approach is applicable if the business holds or intends to hold trademarks, patents, copyrights. Alternatively. Trade secrets in the United States, operates through a US entity. Alternatively, generates US-sourced revenue from IP-intensive products or services. Businesses that cannot confirm satisfactory answers to these questions are carrying IP risk that could materialise as infringement claims, ownership disputes, or loss of registrations.
Frequently asked questions
- How long does a trademark application take in the United States, and what can cause delays?
- A standard trademark application in the United States takes approximately eight to twelve months from filing to registration when the process proceeds without complications. Delays arise from examining attorney refusals. which require a response and re-examination. and from opposition proceedings before the Trademark Trial and Appeal Board. This can extend the timeline by one to three years in contested cases. International clients filing on an intent-to-use basis face an additional step: they must file a statement of use once commercial activity in the US begins, adding further time before registration issues.
- Can a foreign company enforce US intellectual property rights without a US entity?
- A foreign company can in principle own and enforce US intellectual property rights without establishing a US legal entity. However, engaging a lawyer in the United States with specialist IP litigation experience is a practical necessity for federal court proceedings. As foreign counsel cannot appear before US District Courts without admission to the relevant bar. Structural considerations – including licensing, tax treatment of royalties. Additionally. Standing in enforcement proceedings – often make it commercially preferable to hold US IP assets through a US entity rather than directly through a foreign parent.
- Is it a common misconception that US copyright registration is automatic and needs no further steps?
- Yes. Copyright protection in the United States does arise automatically upon creation of a qualifying work, without any registration requirement. However, an unregistered copyright holder cannot bring an infringement claim in US federal court without first registering with the Copyright Office. Additionally. Registration must generally pre-date the infringement to qualify for statutory damages and legal fee recovery. Many international content owners and technology companies discover this limitation only after an infringement occurs – at which point registration is still possible but the most valuable remedies may no longer be available. Timely registration shortly after creation or publication is strongly advisable for any commercially significant work.
About Ferraz & Whitmore
Ferraz & Whitmore is an international law firm based in Lisbon, advising business clients across 46 jurisdictions. Our intellectual property practice supports international entrepreneurs, technology companies, and institutional investors seeking to protect, enforce, and commercialise IP assets in the United States and across interconnected markets. The firm combines Portuguese civil law expertise with English common law tradition – a dual perspective that is directly relevant when managing IP assets across US, EU, and Latin American jurisdictions simultaneously. Our attorneys have advised on trademark prosecution, opposition proceedings, cross-border licensing. Additionally. IP enforcement strategy in both common law and civil law systems, with experience before the Trademark Trial and Appeal Board and in US federal court proceedings. As a law firm advising international clients in the United States, we work with in-house legal teams, C-suite executives, and founders who need commercially focused IP strategy rather than generic filing services. To discuss how intellectual property legislation applies to your business situation in the United States, contact us at info@ferrazwhitmore.com.
Disclaimer: This publication is provided for informational purposes only and does not constitute legal advice. The information herein should not be relied upon as a substitute for professional legal counsel tailored to your specific circumstances. Ferraz & Whitmore assumes no liability for actions taken or not taken based on the contents of this material. For advice regarding your particular situation, please contact info@ferrazwhitmore.com.